when using getx show this error - "Null check operator used on a null value" in latest version of flutter_screenutil: ^5.8.4 but perfectly work in version :^5.7.0

[pragneshpalsanabitcoding]

======== Exception caught by widgets library ======================================================= The following _TypeError was thrown building Obx(has builder, dirty, state: _ObxState#74ed7): Null check operator used on a null value

The relevant error-causing widget was: Obx Obx:file:///Users/mac/StudioProjects/lib/app/ui/home_screen/bottom_bar.dart:37:18 When the exception was thrown, this was the stack:

0 Element.widget (package:flutter/src/widgets/framework.dart:3361:31)

1 debugCheckHasMediaQuery. (package:flutter/src/widgets/debug.dart:296:17)

2 debugCheckHasMediaQuery (package:flutter/src/widgets/debug.dart:311:4)

3 MediaQuery._of (package:flutter/src/widgets/media_query.dart:1017:12)

4 MediaQuery.of (package:flutter/src/widgets/media_query.dart:1013:12)

5 ScreenUtil.screenWidth (package:flutter_screenutil/src/screen_util.dart:148:37)

6 ScreenUtil.scaleWidth (package:flutter_screenutil/src/screen_util.dart:167:28)

7 ScreenUtil.setWidth (package:flutter_screenutil/src/screen_util.dart:182:41)

8 SizeExtension.w (package:flutter_screenutil/src/size_extension.dart:9:32)

9 _BottomBarScreenState.build.. (package:app/ui/home_screen/bottom_bar.dart:58:48)

10 Obx.build (package:get/get_state_manager/src/rx_flutter/rx_obx_widget.dart:70:28)

11 RxInterface.notifyChildren (package:get/get_rx/src/rx_types/rx_core/rx_interface.dart:26:27)

12 _ObxState.build (package:get/get_state_manager/src/rx_flutter/rx_obx_widget.dart:54:19)

13 StatefulElement.build (package:flutter/src/widgets/framework.dart:5198:27)

14 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5086:15)

15 StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:5251:11)

16 Element.rebuild (package:flutter/src/widgets/framework.dart:4805:7)

17 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2780:19)

18 WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:903:21)

19 RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:358:5)

20 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1284:15)

21 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1214:9)

22 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1072:5)

23 _invoke (dart:ui/hooks.dart:142:13)

24 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:359:5)

25 _drawFrame (dart:ui/hooks.dart:112:31)

====================================================================================================

[xweng1016]

same issue here, using GetX and Getbuilder to update state

[lizhuoyuan]

It seems that the context at this time is null

[Mounir-Bouaiche]

We accept only issues with minimal reproducable code. Many problems are not related to this library.